1. UNIT 2 REVIEW
POPULATION

2. POPULATION DISTRIBUTION AND DENSITY

3. DISTRIBUTION

4. ECUMENE
Portion of the earth’s surface that is habitable for humans.

5. DENSITY

6. FOUR MAJOR POPULATION CLUSTERS
East Asia
South Asia
Europe
Southeast Asia

7. KEY TERMS

8. TOTAL FERTILITY RATE (TFR)
Number of children predicted to be born to a woman as she passes through fertile years

9. Infant Mortality Rate (IMR)
Number of deaths of children under 1 year of age per 1,000 births over a year.

10. Rate of Natural Increase (RNI)
Natural growth rate of a population, which is CBR minus CDR expressed as a percentage. A positive RNI indicates a growing population, whereas a negative RNI indicates a population reducing in size. An RNI equal to zero indicates a stabilizing population.

11. LIFE EXPECTANCY
Average number of years a person is expected to live.

12. DEMOGRAPHIC TRANSITION

17. FOOD PRODUCTION

18. POPULATION PYRAMIDS

20. MIGRATION

21. MIGRATION
A permanent move to a new location.

22. Pull Factor
Factor that attracts a migrant to a region, such as good schools or nice weather.

23. Push Factor
Factor that causes a migrant to move out of a region, such as high taxes or poor schools.

24. IMMIGRATION BY COUNTRY

25. MAJOR MIGRATION STREAMS

26. MIGRATION STREAMS TO THE U.S.

27. U.S. INTERREGIONAL MIGRATION

28. U.S. INTRAREGIONAL MIGRATION